Ghafir 40:49

Waqala allatheena fee annarilikhazanati jahannama odAAoo rabbakum yukhaffif AAannayawman mina alAAathab

And those in the Fire will say to the keepers of Hell, "Supplicate your Lord to lighten for us a day from the punishment."

And those in the Fire will say to the keepers of Jahannam (Hell), “Pray to your Lord to lighten the punishment for us some day.”